720742912

素因数分解:

$2^9\times {\mathrm{79}}^1\times {\mathrm{103}}^1\times {\mathrm{173}}^1$

素因数の和:373

約数の個数: 80

約数和(自身を含む): 1480976640

約数和(自身を除く): 760233728

約数列:

[1, 2, 4, 8, 16, 32, 64, 79, 103, 128, 158, 173, 206, 256, 316, 346, 412, 512, 632, 692, 824, 1264, 1384, 1648, 2528, 2768, 3296, 5056, 5536, 6592, 8137, 10112, 11072, 13184, 13667, 16274, 17819, 20224, 22144, 26368, 27334, 32548, 35638, 40448, 44288, 52736, 54668, 65096, 71276, 88576, 109336, 130192, 142552, 218672, 260384, 285104, 437344, 520768, 570208, 874688, 1041536, 1140416, 1407701, 1749376, 2083072, 2280832, 2815402, 3498752, 4166144, 4561664, 5630804, 6997504, 9123328, 11261608, 22523216, 45046432, 90092864, 180185728, 360371456, 720742912]

約数ペア:

[(1, 720742912), (2, 360371456), (4, 180185728), (8, 90092864), (16, 45046432), (32, 22523216), (64, 11261608), (79, 9123328), (103, 6997504), (128, 5630804), (158, 4561664), (173, 4166144), (206, 3498752), (256, 2815402), (316, 2280832), (346, 2083072), (412, 1749376), (512, 1407701), (632, 1140416), (692, 1041536), (824, 874688), (1264, 570208), (1384, 520768), (1648, 437344), (2528, 285104), (2768, 260384), (3296, 218672), (5056, 142552), (5536, 130192), (6592, 109336), (8137, 88576), (10112, 71276), (11072, 65096), (13184, 54668), (13667, 52736), (16274, 44288), (17819, 40448), (20224, 35638), (22144, 32548), (26368, 27334)]